Prospect Heights, IL cannabis price index
Flower in Prospect Heights typically costs $8.64 per gram (average $9.84) — measured across 237 priced listings at 1 licensed dispensaries.
Comparable range $6.11–$14.43 per gram · index refreshed Sep 23, 2026
↑ See the statewide Illinois flower price index
Prospect Heights flower prices by package size
Averages of the real packages on Prospect Heights menus — not a per-gram figure multiplied up.
| Size | Average | Lowest | Average per gram | Listings |
|---|---|---|---|---|
| Eighth (3.5g) | $45.60 | $30.50 | $13.03 | 73 |
| Quarter (7g) | $61.14 | $35.50 | $8.73 | 79 |
| Half (14g) | $105.99 | $65.50 | $7.57 | 51 |
| Ounce (28g) | $176.21 | $120.50 | $6.29 | 28 |
How this index is built
Each priced flower listing in Prospect Heights whose package size is published on the menu is converted to a price per gram. Listings with no published size are excluded rather than estimated, which is why the listing count here is smaller than the total menu count.
Go deeper: cheapest weed in Prospect Heights, cheap ounces, cheapest flower per gram, Prospect Heights deals.
Figures come from licensed Illinois dispensary menus and change constantly. Adults 21+ only.